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为了研究燃料空气炸药中固相组分(铝粉)与液相组分(IPN和烃类燃料MC10)的反应特性,用高压DSC测试铝粉与IPN及MC10在氮气气氛中的分解过程。结果表明,在IPN分解之前存在MC10的氧化过程。与纯MC10液体相比,MC10在IPN存在条件下氧化过程更明显,氧化温度更低,同时铝粉能够改变MC10的高温分解过程。Al/IPN/MC10三组分共存体系在高温条件下具有更稳定的状态,有利于提高燃料空气炸药的性能。
In order to study the reaction characteristics of the solid phase component (aluminum powder) and the liquid phase component (IPN and hydrocarbon fuel MC10) in fuel air explosive, the decomposition process of aluminum powder, IPN and MC10 in nitrogen atmosphere was tested by high pressure DSC. The results showed that there was an oxidation of MC10 before IPN decomposition. Compared with the pure MC10 liquid, the MC10 oxidation process is more obvious in the presence of IPN, the oxidation temperature is lower, while the aluminum powder can change the MC10 pyrolysis process. The Al / IPN / MC10 three-component coexistence system has a more stable state at elevated temperatures, which is beneficial to improve the performance of fuel air explosives.